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# Copyright (c) 2015 Ultimaker B.V.
# Uranium is released under the terms of the LGPLv3 or higher.
import logging
import logging.handlers
from typing import Set
from UM.Logger import LogOutput
from UM.Resources import Resources
from UM.VersionUpgradeManager import VersionUpgradeManager
class FileLogger(LogOutput):
def __init__(self, file_name: str) -> None:
super().__init__()
self._logger = logging.getLogger(self._name) # Create python logger
self._logger.setLevel(logging.DEBUG)
self._show_once = set() # type: Set[str]
# Do not try to save to the app dir as it may not be writeable or may not be the right
# location to save the log file. Instead, try and save in the settings location since
# that should be writeable.
self.setFileName(Resources.getStoragePath(Resources.Resources, file_name))
VersionUpgradeManager.getInstance().registerIgnoredFile(file_name)
def setFileName(self, file_name: str) -> None:
if ".log" in file_name:
file_handler = logging.handlers.RotatingFileHandler(file_name, encoding = "utf-8",
maxBytes = 5 * 1024 * 1024,
backupCount = 1)
format_handler = logging.Formatter("%(asctime)s - %(levelname)s - %(message)s")
file_handler.setFormatter(format_handler)
self._logger.addHandler(file_handler)
else:
pass # TODO, add handling
def log(self, log_type: str, message: str) -> None:
"""Log message to file.
:param log_type: "e" (error), "i"(info), "d"(debug), "w"(warning) or "c"(critical) (can postfix with "_once")
:param message: String containing message to be logged
"""
if log_type == "w": # Warning
self._logger.warning(message)
elif log_type == "i": # Info
self._logger.info(message)
elif log_type == "e": # Error
self._logger.error(message)
elif log_type == "d": # Debug
self._logger.debug(message)
elif log_type == "c": # Critical
self._logger.critical(message)
elif log_type.endswith("_once"):
if message not in self._show_once:
self._show_once.add(message)
self.log(log_type[0], message)
else:
print("Unable to log. Received unknown type %s" % log_type)
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